Andy Mace writes:
>...([when] you could actually find BMC and Triumph dealers) my favorite
>parts counter person told me that a number of knowledgeable racers of
>cars with the BMC A-series engine would change bearing shells almost
>as a normal maintenance item. Perhaps that was 6-7 ounces of prevention,
>but it still beat the proverbial pound of cure.
This is the proverbial "engine freshening", as opposed to a rebuild.
As I understand it, the serious racers put 1-3 races on an engine
between freshenings, and do a full rebuild 1-2 times a year. I'm not
sure what else is involved in a freshening, possibly re-lapping valves,
cam bearings, etc.
Dave Williamson (email@example.com)